diff --git a/content/programming/vfs.tree b/content/programming/vfs.tree
index 0090f8b..d0fd72b 100644
--- a/content/programming/vfs.tree
+++ b/content/programming/vfs.tree
@@ -1,6 +1,6 @@
 %% id = "b?01JDJJSEWASRWJGKMBNYMFD9B5"
 title = "composable virtual file systems"
-tags = ["programming", "treehouse"]
+tags = ["all", "programming", "treehouse"]
 
 % id = "01JDJGVC7BRZDSYTZCH0S357B8"
 - you know what I hate?